An employee collects payment from a customer after refueling a vehicle at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter...Mehr

An employee collects payment from a customer after refueling a vehicle at a China...An employee collects payment from a customer after refueling a vehicle at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter results on Aug. 25. Photographer: Vivek Prakash/Bloomberg via Getty ImagesWenigerMehr

An employee collects payment from a customer after refueling a vehicle at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter...Mehr

An employee collects payment from a customer after refueling a vehicle at a China...An employee collects payment from a customer after refueling a vehicle at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter results on Aug. 25. Photographer: Vivek Prakash/Bloomberg via Getty ImagesWenigerMehr

Light trails from passing traffic are seen in front of at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter results on Aug....Mehr

Light trails from passing traffic are seen in front of at a China Petroleum &...Light trails from passing traffic are seen in front of at a China Petroleum & Chemical Corp. (Sinopec) gas station at night in Hong Kong, China, on Tuesday, Aug. 22, 2017. Sinopec is scheduled to report second-quarter results on Aug. 25. Photographer: Vivek Prakash/Bloomberg via Getty ImagesWenigerMehr